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CandaceK
Junior Member

USA
4 Posts

 Posted - 09/02/2007 :  22:23:48 Question:A computer Consulting firm presently has bids out on three projects.Let Ai = {awarded project i}, for i = 1,2,3, and suppose that P(A1)=.22, P(A2)=.25,P(A3)=.28P(A1A2)=.11 P(A1A3)=.05P(A2A3)=.07 P(A1A2A3)=.011)A1A2=.362)A1'A2'=(A1A2)' =.643)A1A2A3=.22+.25+.28-.11-.05-.07+.01 =.534)A1'A2'A3'= .475)A1'A2'A3 = ?6)A1'A2'A3 =?

royhaas
Moderator

USA
3044 Posts

 Posted - 09/03/2007 :  14:57:32 5) (A1'A2'A3)'=A1A2A3'6) First complete 5), then use the rule for (A1'A2')A3.

CandaceK
Junior Member

USA
4 Posts

 Posted - 09/03/2007 :  17:47:47 quote:Originally posted by royhaas5) (A1'A2'A3)'=A1A2A3'6) First complete 5), then use the rule for (A1'A2')A3.How did you get (A1'A2'A3)' from A1' A2'A3?

royhaas
Moderator

USA
3044 Posts

 Posted - 09/04/2007 :  17:23:32 Look at 5) again; then look at what I wrote. It's the complement of 5), which you should be able to compute from the givens.
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